DAYTONA BEACH, FL - FEBRUARY 23: Kyle Larson, driver of the #32 Clorox Chevrolet, and Brad Keselowski, driver of the #22 Discount Tire Dodge, are involved in an incident at the finish of the NASCAR Nationwide Series DRIVE4COPD 300 at Daytona International Speedway on February 23, 2013 in Daytona Beach, Florida. (Photo by Chris Graythen/Getty Images)

Rescue workers respond as an engine burns after going through the catch fence following a last-lap incident during the NASCAR Nationwide Series DRIVE4COPD 300 race at the Daytona International Speedway in Daytona Beach, Florida February 23, 2013. The Daytona 500 NASCAR Sprint Cup race is scheduled for February 24. REUTERS/Pierre Ducharme

Injured spectators are treated after a crash at the conclusion of the NASCAR Nationwide Series auto race Saturday, Feb. 23, 2013, at Daytona International Speedway in Daytona Beach, Fla. Driver Kyle Larson's car hit the safety fence sending car parts and other debris flying into the stands. (AP Photo/David Graham)

Kyle Larson, left, slides to a stop near Regan Smith (7) after a wreck at the conclusion of the NASCAR Nationwide Series auto race Saturday, Feb. 23, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Driver Kyle Larson climbs out of his car as Trevor Bayne (7) rolls past after a crash at the conclusion of the NASCAR Nationwide Series auto race Saturday, Feb. 23, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Rescue workers respond as an engine burns after going through the catch fence following a last-lap incident during the NASCAR Nationwide Series DRIVE4COPD 300 race at the Daytona International Speedway in Daytona Beach, Florida February 23, 2013. The Daytona 500 NASCAR Sprint Cup race is scheduled for February 24. REUTERS/Pierre Ducharme

DAYTONA BEACH, FL - FEBRUARY 23: Medical personnel tend to fans sitting close to the wall following an incident at the finish of the NASCAR Nationwide Series DRIVE4COPD 300 at Daytona International Speedway on February 23, 2013 in Daytona Beach, Florida. (Photo by Jonathan Ferrey/Getty Images)

DAYTONA BEACH, FL - FEBRUARY 23: Medical personnel remove an injured fan from the stands following an incident at the finish of the NASCAR Nationwide Series DRIVE4COPD 300 at Daytona International Speedway on February 23, 2013 in Daytona Beach, Florida. (Photo by Matthew Stockman/Getty Images)

DAYTONA BEACH, FL - FEBRUARY 23: A general view of the start as Trevor Bayne, driver of the #6 Cargill Ford, is in the pole position during the NASCAR Nationwide Series DRIVE4COPD 300 at Daytona International Speedway on February 23, 2013 in Daytona Beach, Florida. (Photo by Matthew Stockman/Getty Images)

DAYTONA BEACH, FL - FEBRUARY 23: Travis Pastrana, driver of the #60 Roush-Fenway Racing Ford, speaks with Trevor Bayne, driver of the #6 Cargill Ford, on the grid before the NASCAR Nationwide Series DRIVE4COPD 300 at Daytona International Speedway on February 23, 2013 in Daytona Beach, Florida. (Photo by Chris Graythen/Getty Images)

DAYTONA BEACH, FL - FEBRUARY 23: Justin Allgaier, driver of the #31 Brandt Chevrolet, pits during the NASCAR Nationwide Series DRIVE4COPD 300 at Daytona International Speedway on February 23, 2013 in Daytona Beach, Florida. (Photo by Chris Graythen/Getty Images)

DAYTONA BEACH, FL - FEBRUARY 23: Regan Smith, driver of the #7 Clean Coal Chevrolet, and Juan Carlos Blum, driver of the #15 VMP Ford, are involved in an incident during the NASCAR Nationwide Series DRIVE4COPD 300 at Daytona International Speedway on February 23, 2013 in Daytona Beach, Florida. (Photo by Jonathan Ferrey/Getty Images)

DAYTONA BEACH, FL - FEBRUARY 23: Kurt Busch, driver of the #1 Guy Roofing Chevrolet, spins out after an incident during the NASCAR Nationwide Series DRIVE4COPD 300 at Daytona International Speedway on February 23, 2013 in Daytona Beach, Florida. (Photo by Jonathan Ferrey/Getty Images)

DAYTONA BEACH, FL - FEBRUARY 23: Trevor Bayne, driver of the #6 Cargill Ford, and Sam Hornish Jr., driver of the #12 Alliance Truck Parks Ford, lead the start of the NASCAR Nationwide Series DRIVE4COPD 300 at Daytona International Speedway on February 23, 2013 in Daytona Beach, Florida. (Photo by Jonathan Ferrey/Getty Images)

DAYTONA BEACH, FL - FEBRUARY 23: Brad Keselowski, driver of the #22 Discount Tire Dodge, and Kyle Larson, driver of the #32 Clorox Chevrolet, are involved in an incident at the finish of the NASCAR Nationwide Series DRIVE4COPD 300 at Daytona International Speedway on February 23, 2013 in Daytona Beach, Florida. (Photo by Chris Graythen/Getty Images)

DAYTONA BEACH, FL - FEBRUARY 23: Brad Keselowski, driver of the #22 Discount Tire Dodge, and Kyle Larson, driver of the #32 Clorox Chevrolet, are involved in an incident at the finish of the NASCAR Nationwide Series DRIVE4COPD 300 at Daytona International Speedway on February 23, 2013 in Daytona Beach, Florida. (Photo by Chris Graythen/Getty Images)

DAYTONA BEACH, FL - FEBRUARY 23: Brad Keselowski, driver of the #22 Discount Tire Dodge, and Kyle Larson, driver of the #32 Clorox Chevrolet, are involved in an incident at the finish of the NASCAR Nationwide Series DRIVE4COPD 300 at Daytona International Speedway on February 23, 2013 in Daytona Beach, Florida. (Photo by Chris Graythen/Getty Images)

DAYTONA BEACH, FL - FEBRUARY 23: Kyle Larson, driver of the #32 Clorox Chevrolet, and Regan Smith, driver of the #7 Clean Coal Chevrolet, are involved in an incident at the finish of the NASCAR Nationwide Series DRIVE4COPD 300 at Daytona International Speedway on February 23, 2013 in Daytona Beach, Florida. (Photo by Matthew Stockman/Getty Images)

DAYTONA BEACH, FL - FEBRUARY 23: Damage to the wall is seen following an incident at the finish line of the NASCAR Nationwide Series DRIVE4COPD 300 at Daytona International Speedway on February 23, 2013 in Daytona Beach, Florida. (Photo by Jonathan Ferrey/Getty Images)

Kyle Larson's car comes apart after a crash at the conclusion of the NASCAR Nationwide Series auto race Saturday, Feb. 23, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

DAYTONA BEACH, FL - FEBRUARY 23: Kyle Larson, driver of the #32 Clorox Chevrolet, looks at his car following an incident at the finish of the NASCAR Nationwide Series DRIVE4COPD 300 at Daytona International Speedway on February 23, 2013 in Daytona Beach, Florida. (Photo by Matthew Stockman/Getty Images)

NASCAR drivers crash in an eleven car pile-up late in the NASCAR Nationwide Series DRIVE4COPD 300 race at the Daytona International Speedway in Daytona Beach, Florida February 23, 2013. The Daytona 500 NASCAR Sprint Cup race is scheduled for February 24. REUTERS/Pierre Ducharme

DAYTONA BEACH, FL - FEBRUARY 23: Medical personnel remove an injured fan from the stands following an incident at the finish of the NASCAR Nationwide Series DRIVE4COPD 300 at Daytona International Speedway on February 23, 2013 in Daytona Beach, Florida. (Photo by Jonathan Ferrey/Getty Images)

Emergency officials transport a fan who was hit by debris after Kyle Larson's car slammed into the wall and safety fence along the front grandstands on the final lap of the NASCAR Nationwide Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

DAYTONA BEACH, FL - FEBRUARY 23: Medical officials remove an injured fan from the stands following an incident at the finish of the NASCAR Nationwide Series DRIVE4COPD 300 at Daytona International Speedway on February 23, 2013 in Daytona Beach, Florida. (Photo by Jonathan Ferrey/Getty Images)

DAYTONA BEACH, FL - FEBRUARY 23: A general view of the scene following an incident at the finish of the NASCAR Nationwide Series DRIVE4COPD 300 at Daytona International Speedway on February 23, 2013 in Daytona Beach, Florida. (Photo by Matthew Stockman/Getty Images)

DAYTONA BEACH, FL - FEBRUARY 23: Debris from the #32 Clorox Chevrolet, driven by Kyle Larson, is removed from the stands following an incident at the finish of the NASCAR Nationwide Series DRIVE4COPD 300 at Daytona International Speedway on February 23, 2013 in Daytona Beach, Florida. (Photo by Chris Graythen/Getty Images)

DAYTONA BEACH, FL - FEBRUARY 23: Medical officials remove an injured fan from the stands following an incident at the finish of the NASCAR Nationwide Series DRIVE4COPD 300 at Daytona International Speedway on February 23, 2013 in Daytona Beach, Florida. (Photo by Jonathan Ferrey/Getty Images)

DAYTONA BEACH, FL - FEBRUARY 23: Track officials work on the fence following an incident at the finish of the NASCAR Nationwide Series DRIVE4COPD 300 at Daytona International Speedway on February 23, 2013 in Daytona Beach, Florida. (Photo by Matthew Stockman/Getty Images)

NASCAR driver Tony Stewart holds the trophy after winning the NASCAR Nationwide Series DRIVE4COPD 300 race at the Daytona International Speedway in Daytona Beach, Florida February 23, 2013. The Daytona 500 NASCAR Sprint Cup race is scheduled for February 24. REUTERS/Joe Skipper

Photos: Huge crash on last lap at Daytona

A huge crash involving the car of Kyle Larson and multiple other drivers occurred on the last lap of NASCAR's DRIVE4COPD 300 Nationwide Series race at Daytona International Speedway in Daytona Beach, Florida on Saturday, February 23, 2013.